CN209826922U - Closed reduction multidirectional traction frame for tibial fracture - Google Patents

Closed reduction multidirectional traction frame for tibial fracture Download PDF

Info

Publication number
CN209826922U
CN209826922U CN201920271189.6U CN201920271189U CN209826922U CN 209826922 U CN209826922 U CN 209826922U CN 201920271189 U CN201920271189 U CN 201920271189U CN 209826922 U CN209826922 U CN 209826922U
Authority
CN
China
Prior art keywords
connecting rod
rod
block
bottom plate
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920271189.6U
Other languages
Chinese (zh)
Inventor
袁建敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201920271189.6U priority Critical patent/CN209826922U/en
Application granted granted Critical
Publication of CN209826922U publication Critical patent/CN209826922U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Surgical Instruments (AREA)

Abstract

The utility model discloses a closed resetting multidirectional traction frame for tibial fracture, which comprises a bottom plate with a bearing function, wherein the bottom plate is fixed with an external device through mounting holes at four corners, sliding grooves are respectively arranged at two inner ends of the bottom plate, a sliding block is connected in each sliding groove in a sliding way, the upper sides of the two sliding blocks are respectively and rotatably connected with a first support plate and a second support plate, the upper sides of the first support plate and the second support plate are rotatably connected through a hinge, a plurality of clamping grooves are arranged on a fixed rod, a movable block is movably clamped in the clamping grooves, a first connecting rod, a second connecting rod and a holding plate are sequentially and rotatably connected on the movable block, a rotating button is rotatably connected on the inner part of the holding plate, a clamping rod is meshed at the center of the rotating button, the utility model can be fixed at any position through the arbitrary rotation of the first connecting rod and the second connecting rod and through the rotation of the second screw rod, and the angle, thereby the clamping rod can be shifted laterally, forwards and backwards, and then the effective traction on the multi-section fracture part is achieved.

Description

Closed reduction multidirectional traction frame for tibial fracture
Technical Field
The utility model relates to a pull technical field that resets specifically is a closed multidirectional traction frame that resets of shin bone fracture.
Background
Tibial fracture is clinical common fracture, tibial fracture operation resets often more difficult, especially the fracture is smashed to the multistage, the fracture piece shifts to a plurality of directions, it is often more difficult that the operation carries out the closed reduction, often need cut open the reduction, and it is great to cut open the reduction and lead to the wound, fracture end blood circulation destruction, it is nonunion to take place, there is the fracture retractor both clinically, but often only the fore-and-aft traction of unipolar, to complicated multistage fracture, often accompany the foreshortening, the side front and back shifts, it is difficult to perfect reduction to tightly rely on axial traction, when the treatment, it is more troublesome to tibial fracture treatment, thereby influence the treatment efficiency of operation, be unfavorable for patient's recovery, therefore we have proposed a tibial fracture closed multidirectional traction frame that resets.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a closed multidirectional traction frame that resets of shin bone fracture to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a closed resetting multidirectional traction frame for tibial fracture comprises a bottom plate with a bearing effect, wherein the bottom plate is fixed with an external device through mounting holes at four corners, sliding grooves are formed in two ends of the inside of the bottom plate, a sliding block is connected to the inside of each sliding groove in a sliding mode, a lead screw is connected to the inside of each sliding groove in a rotating mode and meshed with the corresponding sliding block, the right end of the lead screw located in the sliding groove on the right side penetrates through the side wall of the corresponding sliding groove and extends to the outside of the bottom plate, a rotating handle is connected to the right end of the lead screw, two ends of the upper side of each sliding block penetrate through the top wall of the corresponding sliding groove and are respectively connected with a first support plate and a second support plate;
the movable joint of one side of first extension board has a plurality of movable blocks, the movable block is connected with through universal structure and adds the board of holding, the inside rotation that adds the board is connected with the turn-button, the central meshing of turn-button is connected with the supporting rod.
Preferably, the fixed cover in the inner of lead screw has connect first gear, there is the kicking block one side of first gear and the inside that is located the bottom plate through first spring sliding connection, it is connected with the second gear to rotate on the kicking block, and the both ends of second gear respectively with two first gear swing joint, one side swing joint that the second gear was kept away from to the kicking block has first screw rod, the outer end of first screw rod runs through the lateral wall of bottom plate and extends to its outside and be connected with and revolve the handle.
Preferably, the upper surface of the bottom plate and the right end of the first support plate are movably connected with a moving block, the lower side of the moving block penetrates through the side wall of the bottom plate, extends into the sliding groove and is meshed and sleeved on the lead screw, the inner portion of the left side of the moving block is slidably connected with an adjusting block through a second spring, the upper end face of the right side of the moving block is fixedly connected with a dial plate, the center of the dial plate is rotatably connected with a directional shaft, the lower end of the directional shaft is provided with a torsion spring, the middle of the directional shaft is wound with a pull rope, the outer end of the pull rope is connected to the side wall of the adjusting block, and the left side.
Preferably, one side of the first support plate is fixedly connected with a fixed rod, a plurality of clamping grooves are formed in the outer side wall of the fixed rod, and movable blocks are movably clamped in the clamping grooves through pre-tightening blocks.
Preferably, universal structure includes the bulb with movable block fixed connection, the bulb outside rotates with the form of parcel and is connected with first connecting rod, the top of first connecting rod rotates with the left end of second connecting rod to be connected, just the top of first connecting rod all cup joints the outside at the second screw rod with the left end of second connecting rod, the one end that the second screw rod was kept away from to the second connecting rod also rotates with holding the board through the form of bulb and is connected, the equal sliding connection in inside of first connecting rod and second connecting rod has the stripper bar, the one end and the bulb activity joint of stripper bar, and other end activity joint is in the inside of annular, the annular is opened on the lateral wall of second screw rod.
Preferably, the quantity of annular be two respectively and corresponding with the tip of two extrusion stems, the annular lateral wall is the arcuation face and cooperatees with the tip of extrusion stem, the tip of second screw rod is connected with the tip meshing of second connecting rod.
Preferably, one end of the extrusion rod, which is close to the ball head, is provided with a plurality of insertion pieces, and the extrusion rod is movably clamped with the ball head through the insertion pieces.
Compared with the prior art, the beneficial effects of the utility model are that: when the second gear is meshed with the two first gears, the first and second support plates can slide on the bottom plate by rotating the lead screw, so that the first and second support plates can move to the reasonable positions of the legs of a patient, when the second gear is disengaged from the two first gears, the lead screw on the right side can only be rotated, so that the lower side of the first support plate slides, the angle between the first support plate and the second support plate is reduced, the angle can be rotated to be perpendicular to or even smaller than the included angle, the knee bending degree of the patient is larger, and the minimally invasive implantation of a schanz needle from the knee of the patient is more convenient; the angle of the clamping plate can be changed and fixed at will by rotating the first connecting rod and the second connecting rod randomly and rotating the second screw rod to fix at any position, so that the angle of the clamping rod can be adjusted randomly, the clamping rod can be shifted laterally and forwards, and then the multi-section fracture part can be effectively pulled; and the reduction of fracture needs to restore length at first, and the device is fixed at the calcaneus through draw gear and pulls to fracture major axis direction, then can partly or totally restore length problem to the traction department of major axis direction is equipped with the device of measurement pulling force, thereby can grasp the traction force degree better.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the bottom plate, the sliding groove and the sliding block of the present invention;
fig. 3 is an enlarged view of the point a of fig. 2 according to the present invention;
FIG. 4 is a cross-sectional view of the bottom plate, the lead screw and the slide block of the present invention;
fig. 5 is an exploded view of the first connecting rod, the second connecting rod and the second screw rod of the present invention;
FIG. 6 is a cross-sectional view of the clamping rod, the knob and the holding plate of the present invention;
fig. 7 is a cross-sectional view of the moving block and the adjusting block of the present invention;
fig. 8 is a schematic structural view of the moving block and the first supporting plate of the present invention;
fig. 9 is a cross-sectional view of the top block and the first screw rod of the present invention;
fig. 10 is a schematic structural view of the clamping rod of the present invention.
Fig. 11 is a cross sectional view showing the change of the connection position of the first connecting rod, the second connecting rod and the second screw rod according to the present invention.
FIG. 12 is an intraoperative radiograph of a patient's leg bone fracture;
FIG. 13 is an X-ray view of a patient's leg fracture during intraoperative reduction with a steel plate;
fig. 14 is an X-ray image of a patient's leg fracture reduced intraoperatively using a schanz needle.
In the figure: 1. the device comprises a bottom plate, 2, a sliding groove, 3, a sliding block, 4, a first support plate, 5, a second support plate, 6, a hinge, 7, a screw rod, 8, a first gear, 9, a top block, 10, a first spring, 11, a first screw rod, 12, a fixed rod, 13, a clamping groove, 14, a pre-tightening block, 15, a movable block, 16, a ball head, 17, a first connecting rod, 18, a second connecting rod, 19, a clamping plate, 20, a rotating button, 21, a clamping rod, 22, a second screw rod, 23, a ring groove, 24, a movable block, 25, an adjusting block, 26, a second spring, 27, a pull rope, 28, a pointing shaft, 29, a dial plate, 30, a torsion spring, 31, a squeezing rod, 32, a second gear, 33, an inserting sheet, 34, a traction needle, 35, a pull plate, 36 and a bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-14, the present invention provides a technical solution: a closed and reset multidirectional traction frame for tibial fracture comprises a bottom plate 1 with a bearing function, when in use, the bottom plate 1 is fixed on a sickbed or an operating table through mounting holes formed in four corners, sliding grooves 2 are formed in two ends of the interior of the bottom plate 1, a sliding block 3 is connected to the interior of each sliding groove 2 in a sliding mode, guide rods are arranged on two sides of each sliding groove 2 as shown in figure 2 and have a guiding function, each sliding block 3 horizontally slides in the corresponding sliding groove 2 through each guide rod, a lead screw 7 is connected to the interior of each sliding groove 2 in a rotating mode, the lead screws 7 are connected with the sliding blocks 3 in a meshing mode, the right end of each lead screw 7 located in the corresponding sliding groove 2 on the right side penetrates through the side wall of each sliding groove 2 and extends to the exterior of the bottom plate 1 and is connected with a rotating handle, when the rotating handle is rotated, the lead screw 7 on the right side can rotate, therefore the lower side of a first, the two ends of the upper sides of the two sliding blocks 3 penetrate through the side wall of the sliding groove 2 and extend to the upper side of the bottom plate 1, and are respectively hinged with a first support plate 4 and a second support plate 5, and the first support plate 4 and the second support plate 5 are made of aluminum materials, so that X-ray fluoroscopy can be performed on the lower sides of the first support plate 4 and the second support plate 5 to facilitate operation, a plurality of belts (not shown in the drawing) can be connected to the upper sides of the first support plate 4 and the second support plate 5 to fix the legs of a patient, so that when the first support plate 4 rotates leftwards, the knees of the patient bend, and the upper sides of the first support plate 4 and the second support plate 5 are rotatably connected through hinges 6;
one side activity joint of first support plate 4 has a plurality of movable blocks 15, because different patient's fracture positions are different, so the position of movable block 15 can set to one side fixedly connected with dead lever 12 of certain within range regulation, specifically first support plate), it has a plurality of draw-in grooves 13 to open on the lateral wall of dead lever 12, the inside of draw-in groove 13 has movable block 15 through the movable joint of pretension piece 14, draw-in groove 13 is arranged on dead lever 12 in the form of linear array, according to actual need, movable block 15 can be fixed at will in the inside of arbitrary draw-in groove 13, pretension piece 14 is the meshing on the draw-in groove 13 lateral wall, through rotating the handle on pretension piece 14, the tip of pretension piece 14 will stretch into the inside of draw-in groove 13 and produce the extrusion force to the lateral wall of movable block 15, then fix movable block 15 on dead lever 12.
The movable block 15 is connected with a clamping plate 19 through a universal structure, the inner part of the clamping plate 19 is rotatably connected with a rotating button 20, the center of the rotating button 20 is engaged with a clamping rod 21, the clamping rod 21 is used for being connected with an external bone nail, the end part of the clamping rod 21 is provided with three open elastic clamping jaws as shown in figure 10, the end part is also engaged with a tightening wheel, when the tightening wheel is rotated towards the end part direction, the three open elastic clamping jaws can extrude towards the middle part, so that the bone nail is clamped, the clamping plate 19 can rotate and move in any direction, so that the multi-direction traction and displacement are suitable, the clamping rod 21 is connected with a fixed tail part fixed on the bone fracture block in advance, when the rotating button 20 is rotated, because the clamping plate 19 is fixed, the clamping rod 21 clamps the bone nail and can carry the bone fracture block to pull and reset (the pulling reset direction is along the axial direction of the clamping rod 21), in order to realize the fixation of multiple angles and orientations, the universal structure has a plurality of nodes, and in order to enable quick positioning and pre-tightening in an operation, specifically, the universal structure comprises a ball head 16 fixedly connected with a movable block 15, the outside of the ball head 16 is rotatably connected with a first connecting rod 17 in a wrapped manner, the top end of the first connecting rod 17 is rotatably connected with the left end of a second connecting rod 18, the top end of the first connecting rod 17 and the left end of the second connecting rod 18 are both sleeved outside a second screw 22, one end of the second connecting rod 18 far away from the second screw 22 is also rotatably connected with a holding plate 19 in a ball head 16 manner, the ends of the first connecting rod 17 and the second connecting rod 18 are in interference fit with the ball head 16, namely, a certain friction force is provided between the ends to keep a certain angle, the ends can quickly swing to a required angle, but the angle in the form of the interference fit is not reliable, and displacement is easily caused by touch in the operation, therefore, the extrusion rods 31 are slidably connected inside the first connecting rod 17 and the second connecting rod 18, one end of each extrusion rod 31 is movably clamped with the ball head 16, the other end of each extrusion rod 31 is movably clamped inside the annular groove 23, the annular groove 23 is formed in the side wall of the second screw 22, the number of the annular grooves 23 is two, the two annular grooves are respectively corresponding to the end portions of the two extrusion rods 31, the side wall of the annular groove 23 is an arc-shaped surface and is matched with the end portion of each extrusion rod 31, and the end portion of each second screw 22 is meshed with the end portion of the second connecting rod 18.
As shown in fig. 11, the end of the second screw 22 and the end of the second connecting rod 18 are disposed in a threaded manner, when the second screw 22 is rotated in the forward direction, the second screw 22 slides towards the inside of the first connecting rod 17 and the second connecting rod 18, so that the joint of the first connecting rod 17 and the second connecting rod 18 is tightly attached together, thereby fixing the angle of the joint of the first connecting rod 17 and the second connecting rod 18, and at the same time, since the annular groove 23 moves along with the second screw 22, the arc-shaped side wall of the annular groove 23 pushes the extrusion rod 31 to move towards the other end (as shown in the left and right figures of fig. 11), so that the extrusion rod 31 is pushed by the side wall of the second screw 32 to the ball 16, and thus the friction force at the joint of the two balls 16 with the first connecting rod 17 and the second connecting rod 18 is increased, thereby fixing the position and the angle of the clamping plate 19.
In addition, on the basis of the universal structure, one end of the pressing rod 31 close to the ball head 16 is provided with a plurality of inserting pieces 33, the pressing rod 31 is movably clamped with the ball head 16 through the inserting pieces 33, the inserting pieces 33 have certain elasticity, for example, the first connecting rod 17 is fixed with the ball head 16, when the pressing rod 31 slides towards the ball head 16, the inserting pieces 33 are outwards stretched, so that each inserting piece 22 is inserted between the ball head 16 and the inner side wall of the first connecting rod 17, the rotating space of the ball head 16 is extruded to be small, and the pressing rod cannot rotate, when the pressing rod 31 is not extruded by the side wall of the second connecting rod 22, the inserting pieces 33 are pulled out from between the ball head 16 and the inner side wall of the first connecting rod 17 through elastic resetting of the inserting pieces 33, so that the first connecting rod 17 and the ball head 16 can rotate relatively; the rotation and fixation principle of the ball 16 and the second link 18 is the same as that described above.
When a fractured patient lies on a bed, if the fractured leg is not in a proper position, the body of the patient can be moved and adjusted, so that great pain is brought to the patient, in order to relieve the pain of the patient, specifically, a first gear 8 is fixedly sleeved at the inner end of the lead screw 7, an ejector block 9 is slidably connected to one side of the first gear 8 and positioned inside the bottom plate 1 through a first spring 10, the first spring 10 connects the ejector block 9 with the side wall of the bottom plate 1 and has a certain pulling force, when the ejector block 9 is not subjected to the pushing force of the first screw 11, the ejector block 9 is pulled by the first spring 10 to disengage the second gear 32 from the first gear 8, a second gear 32 is rotatably connected to the ejector block 9 (the central shaft of the second gear 32 is rotatably connected with the side wall of the ejector block 9), and two ends of the second gear 32 are respectively movably engaged with the two first gears 8, when the second gear 32 is engaged with the two first gears 8, the two lead screws 7 rotate at the same time, the first support plate 4 and the second support plate 5 move rightwards or leftwards at the same time, so that a patient can keep immovable, the first support plate 4 and the second support plate 5 are positioned at reasonable positions of the legs of the patient, the pain of the patient is reduced, the bending angle of the first support plate 4 and the second support plate 5 is unchanged, one side of the top block 9, which is far away from the second gear 32, is movably connected with a first screw rod 11, the outer end of the first screw rod 11 penetrates through the side wall of the bottom plate 1 and extends to the outside of the bottom plate and is connected with a knob (the surface of the first screw rod 11 is provided with threads which are not shown in an internal engagement diagram of the bottom plate 1, so that the movement is convenient to control, and the joint of the first screw rod 11 and the top block 9 is in a rotating clamping connection adopting a T-shaped structure), the first screw rod 11 pushes against the top block, so that the second gear 32 meshes with both first gears 8, which ensures that both screws 7 rotate simultaneously.
Most of leg bone fracture recovery basically needs to use a traction device to reset the fracture part, and at present, other devices are basically used for connecting a heavy object to pull, which is not easy to operate in the operation. Therefore, the utility model can integrate the traction part, specifically, the upper surface of the bottom plate 1 and the right end of the first supporting plate 4 are movably connected with a moving block 24, the moving block 24 moves along with the movement of the first supporting plate 4, the lower side of the moving block 24 penetrates through the side wall of the bottom plate 1 and extends to the inside of the chute 2 and is engaged and sleeved on the lead screw 7, the left inside of the moving block 24 is slidably connected with an adjusting block 25 through a second spring 26, the right end of the second spring 26 is connected with the inner side wall of the moving block 24, the left end is connected with the side wall of the adjusting block 25, the second spring 26 is in a contraction state under the non-traction state, when the adjusting block 25 is pulled leftwards, the adjusting block 25 stretches and unfolds the second spring 26, the elongation of the second spring 26 is different according to the pulling force, and then the rotation degree of the adjusting block 25 with the pointing shaft 28 through the pulling rope 27 is also different, so that the pointer on the pointing shaft 28 can also have different pointing directions on the dial 29 to enable real-time reading, the dial 29 is fixedly connected to the upper end face of the right side of the moving block 24, the scale of force is marked on the upper end face of the dial 29, the pointing shaft 28 is rotatably connected to the center position of the dial 29, the torsion spring 30 is arranged at the lower end of the pointing shaft 28, when the pulling rope 27 is unfolded from the pointing shaft 28, the torsion spring 30 can generate torsion force for resetting the pointing shaft 28, so that the pulling rope 27 is wound on the pointing shaft 28 again (the torsion of the torsion spring 30 is smaller and only used for winding the pulling rope 27, so that the influence on the traction force of the adjusting block 25 can not be considered, or the elastic coefficients of the torsion spring 30 and the second spring 26 can be considered in the display value of the dial 29 in advance), the pulling rope 27 is wound on the middle of the pointing shaft 28, and the outer end of the pulling rope, the left side of the adjusting block 25 is connected with a traction device through a steel wire rope. The general reduction of fracture needs to restore the limb length at first, carry out the traction of fracture major axis direction, can partially or totally restore the length problem, and need follow bone traction or shin bone distal end bone traction to carry out the traction and be the most effective, fracture major axis direction draw gear in the device contains (as shown in figure 8) traction needle 34, two arm-tie 35, two bolts 36, traction needle 34 pierces to human calcaneus department, and both ends are in the same arm-tie 35, two arm-tie 35 are through bolt 36 connection, can adjust the interval between two arm-tie 35 through rotating bolt 36, can adjust the pull-down dynamics of traction needle 34 like this, thereby carry out effectual reduction and fixed. Equally when draw gear is drawing, it is relative, downside arm-tie 35 can reverse pulling regulating block 25, makes regulating block 25 slide left, and regulating block 25 can pull stay cord 27 like this and make directional axle 28 rotate to pointer on the directional axle 28 rotates, the towed dynamics of observation that can be clear on dial plate 29 then, thereby can grasp the tractive dynamics better.
The working principle is as follows: the device can be used for rehabilitation in operation or after ward operation. During operation, the device is fixed on an operating table according to conditions, the first screw 11 is rotated in the forward direction to enable the second gear 32 to be meshed with the two first gears 8, the two screw rods 7 can be rotated simultaneously, and the first support plate 4 and the second support plate 5 can be moved to the right or left on the bottom plate 1 simultaneously, so that a patient can adjust the first support plate 4 and the second support plate 5 to be at reasonable positions of the leg of the patient in a stationary state; after the legs of the patient are fixed on the first supporting plate 4 and the second supporting plate 5; when traction is carried out in the long axis direction of the fracture, the traction needle 34 penetrates the calcaneus of the foot, the two ends of the traction needle are sleeved on one pulling plate 35, the distance between the two pulling plates 35 can be adjusted by rotating the bolt 36, the downward pulling force of the traction needle 34 can be adjusted, effective resetting and fixing can be carried out, and the traction force is adjusted to be proper according to the device for detecting the pulling force on the moving block 24;
the intraoperative examination is carried out in real time through an X-ray machine in the operation, then bone nails are arranged on the fractured blocks (the positions of the bone nails need to avoid the blood vessels and nerve regions of the outer half circle), the universal structure is rotated according to the positions of the fractured blocks (as shown in figure 12) to enable the clamping rods 21 to be connected with the bone nails, then the clamping rods 21 drive the fractured blocks to reset and pull along the axial direction of the clamping rods 21 by rotating the rotating button 20, so that the plurality of fractured blocks are spliced and reset, a steel plate can be arranged on the side of the leg bones and then fixed, and the effect is shown in figure 13;
in addition, sometimes, the intramedullary nail is required to be adopted for fixation, for the situation, the utility model discloses can reverse rotation first screw rod 11 again, make first screw rod 11 slide out, second gear 32 and two first gears 8 disengage from each other this moment, the downside of first branch board 4 slides from side to side alone when rotating right side lead screw 7 like this to make the contained angle grow of first branch board 4 and second branch board 5, let patient's knee bending degree be the biggest, can carry out the wicresoft implantation of schanz needle from patient's knee like this, its effect is shown in fig. 14. After the surgical procedure, the patient is allowed to rest for a period of time before the device is removed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a closed multidirectional traction frame that resets of shin bone fracture, is including having bottom plate (1) that bears the weight of the effect, just bottom plate (1) is fixed with external device through the mounting hole in four corners, its characterized in that: the novel folding type bottom plate is characterized in that sliding grooves (2) are formed in two ends of the inner portion of the bottom plate (1), a sliding block (3) is connected to the inner portion of each sliding groove (2) in a sliding mode, a lead screw (7) is connected to the inner portion of each sliding groove (2) in a rotating mode, the lead screw (7) is connected with the corresponding sliding block (3) in a meshing mode, the right end of the lead screw (7) located in the sliding groove (2) on the right side penetrates through the side wall of the corresponding sliding groove (2) and extends to the outer portion of the bottom plate (1) and is connected with a rotating handle, two ends of the upper side of each sliding block (3) penetrate through the top wall of the corresponding sliding groove (2) and are respectively connected with a first support plate (4) and a second support;
the movable joint of one side of first extension board (4) has a plurality of movable blocks (15), movable block (15) are connected with through universal structure and add and hold board (19), the inside rotation that adds and hold board (19) is connected with turn-button (20), the central meshing of turn-button (20) is connected with supporting rod (21).
2. The closed tibial fracture reduction multidirectional traction frame as claimed in claim 1, wherein: the fixed cover in inner of lead screw (7) has connect first gear (8), there is kicking block (9) one side of first gear (8) and the inside that is located bottom plate (1) through first spring (10) sliding connection, it is connected with second gear (32) to rotate on kicking block (9), and the both ends of second gear (32) respectively with two first gear (8) swing joint, one side swing joint that second gear (32) were kept away from in kicking block (9) has first screw rod (11), the outer end of first screw rod (11) runs through the lateral wall of bottom plate (1) and extends to its outside and is connected with and revolves the handle.
3. The closed tibial fracture reduction multidirectional traction frame as claimed in claim 1, wherein: the upper surface of the bottom plate (1) and the right end of the first support plate (4) are movably connected with a moving block (24), the lower side of the moving block (24) penetrates through the side wall of the bottom plate (1) and extends to the inside of the sliding groove (2) and is meshed and sleeved on the lead screw (7), the inside of the left side of the moving block (24) is connected with an adjusting block (25) through a second spring (26) in a sliding mode, the upper end face of the right side of the moving block (24) is fixedly connected with a dial plate (29), the center position of the dial plate (29) is rotatably connected with a pointing shaft (28), the lower end of the pointing shaft (28) is provided with a torsion spring (30), a pull rope (27) is wound in the middle of the pointing shaft (28), the outer end of the pull rope (27) is connected to the side wall of the adjusting block (25), and.
4. The closed tibial fracture reduction multidirectional traction frame as claimed in claim 1, wherein: one side fixedly connected with dead lever (12) of first extension board (4), it has a plurality of draw-in grooves (13) to open on the lateral wall of dead lever (12), the inside of draw-in groove (13) is through tight piece (14) activity joint has movable block (15) in advance.
5. The closed tibial fracture reduction multidirectional traction frame as claimed in claim 1, wherein: the universal structure comprises a ball head (16) fixedly connected with the movable block (15), a first connecting rod (17) is rotatably connected to the outer part of the ball head (16) in a wrapping manner, the top end of the first connecting rod (17) is rotationally connected with the left end of the second connecting rod (18), the top end of the first connecting rod (17) and the left end of the second connecting rod (18) are sleeved outside the second screw rod (22), one end of the second connecting rod (18) far away from the second screw rod (22) is also in rotary connection with the clamping plate (19) in the form of a ball head (16), the interiors of the first connecting rod (17) and the second connecting rod (18) are both connected with an extrusion rod (31) in a sliding way, one end of the extrusion rod (31) is movably clamped with the ball head (16), and the other end is movably clamped in the annular groove (23), and the annular groove (23) is arranged on the side wall of the second screw rod (22).
6. The closed tibial fracture reduction multidirectional traction frame as claimed in claim 5, wherein: the quantity of annular (23) is two respectively and corresponding with the tip of two extrusion stem (31), annular (23) lateral wall cooperatees for the tip of arcuation face and with extrusion stem (31), the tip of second screw rod (22) is connected with the tip meshing of second connecting rod (18).
7. The closed tibial fracture reduction multidirectional traction frame as claimed in claim 6, wherein: one end of the extrusion rod (31) close to the ball head (16) is provided with a plurality of inserting pieces (33), and the extrusion rod (31) is movably clamped with the ball head (16) through the inserting pieces (33).
CN201920271189.6U 2019-03-04 2019-03-04 Closed reduction multidirectional traction frame for tibial fracture Expired - Fee Related CN209826922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920271189.6U CN209826922U (en) 2019-03-04 2019-03-04 Closed reduction multidirectional traction frame for tibial fracture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920271189.6U CN209826922U (en) 2019-03-04 2019-03-04 Closed reduction multidirectional traction frame for tibial fracture

Publications (1)

Publication Number Publication Date
CN209826922U true CN209826922U (en) 2019-12-24

Family

ID=68905047

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920271189.6U Expired - Fee Related CN209826922U (en) 2019-03-04 2019-03-04 Closed reduction multidirectional traction frame for tibial fracture

Country Status (1)

Country Link
CN (1) CN209826922U (en)

Similar Documents

Publication Publication Date Title
CN109303610B (en) Surgical instrument clamping mechanism, end effector and surgical mechanical arm adopting same
US20130131675A1 (en) Fixation device and multiple-axis joint for a fixation device
JP2018529496A (en) Positioning device for use with surgical instruments
CN209864498U (en) Medical orthopedic surgery posture adjusting device
DE102008022952A1 (en) Non-invasive extension-, reposition and/or retention device for e.g. retention of e.g. ankle joint, has alignment device provided with two rotary degrees of freedom and/or transverse degrees of freedom
CN209826922U (en) Closed reduction multidirectional traction frame for tibial fracture
CN109700514A (en) A kind of fracture of tibia closed reduction Multiway traction frame
CN100539960C (en) Universal type fixer outside far end bone of radius
CN110547839A (en) Meniscus stitching instrument
CN114533434A (en) Intracardiac branch of academic or vocational study intervention postoperative limbs nursing device
CN106388883B (en) Arthroscopic auxiliary retractor
CN213697160U (en) External fracture reduction device
DE102008052369A1 (en) Orthosis for treating pathological deviations in hind foot, has upper fixing unit for fixing of trochlea tail in mortice and foot part, where upper fixing unit is arranged for supporting foot part and rotates in transversal plane
CN211410006U (en) Instrument for preventing thrombus of lower limb
CN211674359U (en) Multi-degree-of-freedom flexible handheld minimally invasive surgical instrument
CN113397885A (en) Supporting device for traumatic orthopedics
CN210962127U (en) Meniscus stitching instrument
CN112353635A (en) Rehabilitation exercise device after cardiac surgery
CN111956316A (en) Traction reduction device for femoral fracture coaptation operation
RU2375984C2 (en) Apparatus of external fixation for treatment of fractures, false joints and unhealed bone fractures
CN219109492U (en) Limb fixing device for radiology department
CN201076510Y (en) Universal distal radius bone external fixer
CN214908206U (en) Heart disease patient postoperative guardianship auxiliary device
CN220002243U (en) Orthopedic hand lifting frame
CN219147706U (en) Opening device for clinical operation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191224

Termination date: 20210304